| (19) |
 |
|
(11) |
EP 0 455 474 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
17.03.1993 Bulletin 1993/11 |
| (43) |
Date of publication A2: |
|
06.11.1991 Bulletin 1991/45 |
| (22) |
Date of filing: 01.05.1991 |
|
| (51) |
International Patent Classification (IPC)5: G01F 23/62 |
|
| (84) |
Designated Contracting States: |
|
AT BE CH DE DK ES FR GB GR IT LI LU NL SE |
| (30) |
Priority: |
03.05.1990 US 517679
|
| (71) |
Applicant: SEALAND TECHNOLOGY, INC. |
|
Big Prairie
Ohio 44611 (US) |
|
| (72) |
Inventors: |
|
- Mckiernan, Edward
Big Prairie,
Ohio 44611 (US)
- Bailey, Ronald J.
Big Prairie,
Ohio 44611 (US)
- Sigler, James A.
Big Prairie,
Ohio 44611 (US)
|
| (74) |
Representative: Shaw, Laurence |
|
5th Floor,
Metropolitan House,
1 Hagley Road,
Edgbaston
Birmingham B16 8TG
Birmingham B16 8TG (GB) |
|
| |
|
| (54) |
Level indicating in vehicle holding tanks |
(57) A level indicating assembly for use in a tank (11) mounted in a vehicle, such as
a recreational vehicle or boat, includes a fitting body (20, 21) for mounting the
assembly in the top (14) of the tank, and probes (17-19) extending through the body
into the tank. At least one of the probes has a hollow probe shaft (30) which is of
a flexible material such as flexible pvc. One of the probes provides an "empty" (64)
indication for the tank, while the other probes provide a "full" (66) indication,
and a mid-level (65) indication. A socket (54) or like element with a knock-out plug
(55) optionally provides a vent in the fitting body. During installation the position
of the probe shafts with respect to the fitting body are adjusted, and any unneeded
portion of the probe shaft above the shaft fitting is cut off.